KIT-SHAFT 1490773 - Caterpillar

Personal injury can result from hydraulic oil pressure and hot oil.Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.Make sure all of the attachments have been lowered, oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Note: Put identification marks on all lines and on all cylinders for installation purposes. Plug all lines. This will help to prevent fluid loss and this helps to keep contaminants from entering the system.Removal Procedure for the 236 and the 246
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Disconnect lines (1) and (2) .
Remove retaining pin (3) and lower the loader lift arm brace onto the lift cylinder.
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Attach a suitable lifting device to cylinder assembly (4) .
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Remove snap ring (5) .
Remove pin (6) .
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Remove bolt (7) and the washer.
Remove pin assembly (8) from the lift cylinder.
Remove lift cylinder assembly (4) and the loader lift arm brace. Weight of the lift cylinder and the loader lift arm brace is 32 kg (70 lb).
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Loosen clamp (10) and remove lines (9) and (11) .
Repeat Steps 1 through 9 for the opposite side.Removal Procedure for the 252 and the 262
Remove the air cleaner. Refer to Disassembly and Assembly, RENR2868, "Air Cleaner - Remove and Install".
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Disconnect hose (1) from the rod end of the cylinder.
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Disconnect hose (2) from the head end of the cylinder.
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Attach a suitable lifting device to the cylinder.
Remove snap ring (3) .
Remove pin (4) .
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Install 1U-9759 Jack Stands under the rear of the machine.
Repeat steps 4 and 5 for the opposite side.Note: Use a suitable lifting device to raise the lift arms in order to gain the clearance that is needed to remove the cylinder.
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Remove bolt (5), the washer and the spacer.
Remove pin (6) .
Remove the lift cylinder from the machine. The cylinder weighs 32 kg (70 lb).
Repeat steps 1 through 10 for the opposite cylinder.